Here you can learn the latest update of this package for free.
The Complete Visual Behaviour Authoring solution for Unity, empowering you to create advanced AI Behaviours and Logic, including three separate, fully featured, yet seamlessly interchangeable modules for you to choose and easily add in your game:
✔ Behaviour Trees. ✔ State Machines. ✔ Dialogue Trees.
NodeCanvas is a production ready framework used by many awesome games including The Long Dark, Hand of Fate 2, Hurtworld, Len's Island, Ghost of a Tale, P.A.M.E.L.A, The Wild at Heart, Kim, Kingdom and many more.